// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef URL_MOJO_URL_GURL_STRUCT_TRAITS_H_
#define URL_MOJO_URL_GURL_STRUCT_TRAITS_H_

#include "base/strings/string_piece.h"
#include "url/gurl.h"
#include "url/mojo/url.mojom.h"
#include "url/url_constants.h"

namespace mojo {

template <>
struct StructTraits<url::mojom::UrlDataView, GURL> {
    static base::StringPiece url(const GURL& r)
    {
        if (r.possibly_invalid_spec().length() > url::kMaxURLChars || !r.is_valid()) {
            return base::StringPiece();
        }

        return base::StringPiece(r.possibly_invalid_spec().c_str(),
            r.possibly_invalid_spec().length());
    }
    static bool Read(url::mojom::UrlDataView data, GURL* out)
    {
        base::StringPiece url_string;
        if (!data.ReadUrl(&url_string))
            return false;

        if (url_string.length() > url::kMaxURLChars)
            return false;

        *out = GURL(url_string);
        if (!url_string.empty() && !out->is_valid())
            return false;

        return true;
    }
};

}

#endif // URL_MOJO_URL_GURL_STRUCT_TRAITS_H_
